Results 61 to 70 of about 43,118 (226)

Dose‐Dependent Effect of Plant Volatiles on the Oviposition Preference of the Corn Leafhopper Dalbulus maidis

open access: yesJournal of Applied Entomology, EarlyView.
ABSTRACT Maize (Zea mays L.) is a major annual crop cultivated worldwide. In the Americas, the corn leafhopper Dalbulus maidis (DeLong) (Hemiptera: Cicadellidae) is a key pest of this crop, causing direct damage to plants through phloem feeding and indirect damage by transmitting phytopathogens.
Tatiane Cristina Barbosa Cândido   +3 more
wiley   +1 more source

Perceived instructor presence, interactive tools, student engagement, and satisfaction in hybrid education post-COVID-19 lockdown in Mexico

open access: yesHeliyon
Interactive communication platforms have been widely used to support online teaching. However, during the Coronavirus Diseases 2019 (COVID-19) pandemic they gained unprecedented relevance since they allowed educational processes to continue.
Ramón Ventura Roque-Hernández   +2 more
doaj   +1 more source

Beyond species means – the intraspecific contribution to global wood density variation

open access: yesNew Phytologist, EarlyView.
Summary Wood density is central for estimating vegetation carbon storage and a plant functional trait of great ecological and evolutionary importance. However, the global extent of wood density variation is unclear, especially at the intraspecific level. We assembled the most comprehensive wood density collection to date, including 109 626 records from
Fabian Jörg Fischer   +105 more
wiley   +1 more source

Weibo: La herramienta del cambio

open access: yesContratexto, 2012
Este artículo se concentra en la plataforma digital por excelencia, que está cambiando la dinámica de la distribución de la información en China: Weibo.
Patricia Castro-Obando
doaj   +1 more source

Comercio Electrónico

open access: yesTEPEXI Boletín Científico de la Escuela Superior Tepeji del Río, 2017
El presente mapa conceptual tiene como propósito proporcionar al lector los principios básicos relacionados al comercio electrónico y su clasificación, así mismo se hace mención a los lineamientos nacionales e internacionales que regulan dicha práctica y los posibles modelos de negocios que pueden ser adoptados en la implementación del comercio ...
openaire   +2 more sources

From Hierarchical Capitalism to Developmental Governance: The Emergence of Concerted Skills Formation in Middle‐Income Countries

open access: yesRegulation &Governance, EarlyView.
ABSTRACT Skills formation is a pressing issue for middle‐income countries given the pace of technological change. In Latin America, scholars point to the hierarchical type of capitalism and its segmentalist skills formation system as the main roadblocks to exiting the middle‐income trap.
Aldo Madariaga, Mariana Rangel‐Padilla
wiley   +1 more source

Analysis of the Degradation of Thermochromic Sensors in Electrical Devices

open access: yesJournal of Applied Polymer Science, Volume 143, Issue 9, March 5, 2026.
This study examines the degradation of microencapsulated leuco thermochromic pigments, both pure and embedded in epoxy, under thermal, cyclic, and QUV aging. UV radiation is the main factor causing irreversible loss of thermochromism due to microcapsule damage and solvent loss, while thermal exposure produces minor effects.
Marina Kauling de Almeida   +7 more
wiley   +1 more source

Comercio justo

open access: yesObservatorio Económico, 2012
¿Hasta dónde es “justa” una economía de mercado? Con una institucionalidad que fortalezca relaciones de intercambio basadas íntegramente en aspectos de eficiencia económica, bastante: plenamente consistente con la famosa “mano invisible” de Adam Smith.
openaire   +2 more sources

From Douyin Shop to TikTok Shop: The Platformized Supply Chain, Spatialized Business Model, and Regional Partnership in Cross‐Border e‐Commerce

open access: yesPolicy &Internet, Volume 18, Issue 1, March 2026.
ABSTRACT This article investigates how TikTok Shop reproduces the e‐commerce model of Douyin Shop against a backdrop of divergent regulatory challenges and geopolitical distrust. One of the strategic changes we observe in TikTok Shop is the shift of consumer goods suppliers from local merchants to China‐based sellers.
Shuaishuai Wang, Jing Meng, Yitong Li
wiley   +1 more source

El Perú en el Tratado de Asociación Transpacífico (TPP): beneficios y mitos

open access: yesAgenda Internacional, 2016
El Tratado de Asociación Transpacífico (TPP) es el primer acuerdo comercial mega-regional del siglo XXI. Está conformado por doce economías de tres continentes, todas miembros del Foro de Cooperación Económica Asia-Pacífico (APEC).
José Luis Castillo Mezarina
doaj   +1 more source

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